🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.41 AU - 0.65 AU

Year: 142 Days

Day: 30.4 Hours

Environment

Temp: 228 °C

Axial Tilt: 46.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,599,037 km

• M1: 176,974 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.72 AU - 0.76 AU

Year: 235 Days

Day: 31.3 Hours

Environment

Temp: 187 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.14 AU - 1.46 AU

Year: 547 Days

Day: 22.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 7.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.5 AU - 1.86 AU

Year: 803 Days

Day: 34.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.69 AU - 2.51 AU

Year: 1123 Days

Day: 41.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.3

Radius: 13.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.61 AU - 5.29 AU

Year: 4063 Days

Day: 12 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 44,599,037 km

• M1: 184,604 km (0.107 R)
• M2: 287,228 km (0.103 R)
• M3: 391,049 km (0.056 R)
• M4: 601,383 km (0.104 R)
• M5: 864,526 km (0.111 R)
• M6: 994,227 km (0.107 R)
• M7: 1,311,973 km (0.115 R)
• M8: 1,649,017 km (0.1 R)
• M9: 1,786,049 km (0.114 R)
• M10: 1,970,354 km (0.086 R)
• M11: 2,641,300 km (0.066 R)
• M12: 2,902,199 km (0.072 R)
• M13: 3,274,997 km (0.072 R)
• M14: 3,863,365 km (0.105 R)
• M15: 3,973,918 km (0.052 R)
• M16: 4,160,466 km (0.084 R)
• M17: 4,274,011 km (0.118 R)
• M18: 5,076,753 km (0.1 R)
• M19: 5,714,788 km (0.12 R)
• M20: 6,139,945 km (0.079 R)
• M21: 6,247,805 km (0.088 R)
• M22: 6,421,937 km (0.112 R)
• M23: 6,663,837 km (0.06 R)
• M24: 6,953,608 km (0.089 R)
• M25: 7,156,762 km (0.027 R)
• M26: 7,384,749 km (0.095 R)
• M27: 7,568,904 km (0.098 R)
• M28: 7,708,030 km (0.097 R)
• M29: 8,083,371 km (0.109 R)
• M30: 8,392,590 km (0.101 R)
• M31: 8,536,653 km (0.066 R)
• M32: 9,121,281 km (0.116 R)
• M33: 9,543,297 km (0.119 R)
• M34: 10,926,030 km (0.098 R)
• M35: 11,215,352 km (0.099 R)
• M36: 11,614,031 km (0.048 R)
• M37: 11,774,699 km (0.086 R)
• M38: 12,071,501 km (0.042 R)
• M39: 12,207,186 km (0.08 R)
• M40: 12,976,419 km (0.078 R)
• M41: 13,087,570 km (0.062 R)
• M42: 13,563,740 km (0.079 R)
• M43: 13,676,537 km (0.078 R)
• M44: 14,102,591 km (0.078 R)
• M45: 14,446,517 km (0.085 R)
• M46: 14,648,474 km (0.111 R)
• M47: 14,851,329 km (0.069 R)
• M48: 15,084,252 km (0.105 R)
• M49: 15,553,990 km (0.057 R)
• M50: 16,177,813 km (0.084 R)
• M51: 17,480,511 km (0.102 R)
• M52: 17,850,018 km (0.056 R)
• M53: 17,973,885 km (0.087 R)
• M54: 18,129,018 km (0.027 R)
• M55: 18,346,832 km (0.113 R)
• M56: 18,503,013 km (0.115 R)
• M57: 18,911,265 km (0.048 R)
• M58: 19,576,826 km (0.059 R)
• M59: 19,800,475 km (0.075 R)
• M60: 20,996,360 km (0.117 R)
• M61: 21,619,735 km (0.104 R)
• M62: 22,282,304 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.6

Radius: 8.5

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.87 AU - 5.71 AU

Year: 4489 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 44,599,037 km

• M1: 118,332 km (0.088 R)
• M2: 226,192 km (0.03 R)
• M3: 283,488 km (0.046 R)
• M4: 446,550 km (0.103 R)
• M5: 566,228 km (0.118 R)
• M6: 708,795 km (0.116 R)
• M7: 1,016,667 km (0.101 R)
• M8: 1,164,919 km (0.039 R)
• M9: 1,291,628 km (0.116 R)
• M10: 1,811,481 km (0.089 R)
• M11: 2,059,963 km (0.044 R)
• M12: 2,249,354 km (0.095 R)
• M13: 2,645,040 km (0.025 R)
• M14: 2,794,339 km (0.09 R)
• M15: 3,180,002 km (0.076 R)
• M16: 3,460,049 km (0.106 R)
• M17: 3,664,849 km (0.031 R)
• M18: 3,873,837 km (0.116 R)
• M19: 3,958,509 km (0.028 R)
• M20: 4,151,341 km (0.11 R)
• M21: 4,259,799 km (0.11 R)
• M22: 4,457,418 km (0.117 R)
• M23: 4,725,647 km (0.105 R)
• M24: 5,045,188 km (0.073 R)
• M25: 5,230,989 km (0.119 R)
• M26: 5,657,343 km (0.047 R)
• M27: 5,850,324 km (0.03 R)
• M28: 6,119,450 km (0.053 R)
• M29: 6,467,714 km (0.105 R)
• M30: 7,002,377 km (0.081 R)
• M31: 7,079,869 km (0.078 R)
• M32: 7,235,899 km (0.117 R)
• M33: 7,524,773 km (0.081 R)
• M34: 7,924,648 km (0.083 R)
• M35: 8,551,463 km (0.11 R)
• M36: 8,828,967 km (0.082 R)
• M37: 9,166,011 km (0.097 R)
• M38: 9,222,559 km (0.088 R)
• M39: 10,055,819 km (0.027 R)
• M40: 10,201,976 km (0.1 R)
• M41: 10,378,203 km (0.091 R)
• M42: 10,733,797 km (0.098 R)
• M43: 11,033,142 km (0.093 R)
• M44: 11,153,568 km (0.104 R)
• M45: 11,304,961 km (0.076 R)
• M46: 11,365,549 km (0.083 R)
• M47: 11,916,817 km (0.07 R)
• M48: 12,009,567 km (0.079 R)
• M49: 12,445,346 km (0.072 R)
• M50: 13,913,799 km (0.11 R)
• M51: 13,978,874 km (0.042 R)
• M52: 14,602,099 km (0.095 R)
• M53: 14,668,221 km (0.072 R)
• M54: 14,900,546 km (0.101 R)
• M55: 15,100,708 km (0.119 R)
• M56: 15,234,598 km (0.106 R)
• M57: 16,114,383 km (0.1 R)
• M58: 16,560,484 km (0.083 R)
• M59: 16,975,918 km (0.071 R)
• M60: 17,816,957 km (0.059 R)
• M61: 17,923,022 km (0.096 R)
• M62: 19,103,798 km (0.112 R)
• M63: 19,503,074 km (0.05 R)
• M64: 19,575,929 km (0.114 R)
• M65: 19,685,434 km (0.093 R)
• M66: 20,162,203 km (0.118 R)
• M67: 21,239,457 km (0.047 R)
• M68: 21,352,104 km (0.084 R)
• M69: 21,879,736 km (0.117 R)
• M70: 22,679,336 km (0.12 R)
• M71: 23,643,644 km (0.072 R)
• M72: 24,033,048 km (0.092 R)
• M73: 24,150,332 km (0.028 R)
• M74: 24,306,961 km (0.039 R)
• M75: 24,542,578 km (0.056 R)
• M76: 24,818,436 km (0.053 R)
• M77: 25,016,055 km (0.112 R)
• M78: 25,095,342 km (0.091 R)
• M79: 25,412,938 km (0.05 R)
• M80: 26,012,227 km (0.093 R)
• M81: 26,092,412 km (0.084 R)
• M82: 26,172,746 km (0.105 R)
• M83: 26,575,613 km (0.101 R)
• M84: 26,737,328 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 10.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.02 AU - 9.6 AU

Year: 10481 Days

Day: 6.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 44,599,037 km

• M1: 172,337 km (0.117 R)
• M2: 241,750 km (0.102 R)
• M3: 463,753 km (0.11 R)
• M4: 646,412 km (0.115 R)
• M5: 1,375,104 km (0.12 R)
• M6: 1,625,680 km (0.09 R)
• M7: 2,513,543 km (0.083 R)
• M8: 2,665,984 km (0.108 R)
• M9: 3,361,614 km (0.092 R)
• M10: 3,445,389 km (0.12 R)
• M11: 3,758,796 km (0.067 R)
• M12: 4,111,398 km (0.058 R)
• M13: 4,201,157 km (0.053 R)
• M14: 4,291,664 km (0.116 R)
• M15: 4,443,954 km (0.119 R)
• M16: 4,753,921 km (0.11 R)
• M17: 4,943,312 km (0.117 R)
• M18: 5,232,186 km (0.065 R)
• M19: 5,329,574 km (0.07 R)
• M20: 5,625,778 km (0.068 R)
• M21: 6,097,310 km (0.106 R)
• M22: 6,303,306 km (0.11 R)
• M23: 6,935,208 km (0.113 R)
• M24: 7,114,276 km (0.096 R)
• M25: 7,623,956 km (0.069 R)
• M26: 7,920,609 km (0.098 R)
• M27: 8,334,696 km (0.111 R)
• M28: 8,486,986 km (0.074 R)
• M29: 8,678,771 km (0.112 R)
• M30: 8,910,648 km (0.083 R)
• M31: 9,183,963 km (0.101 R)
• M32: 10,880,702 km (0.095 R)
• M33: 12,107,704 km (0.065 R)
• M34: 12,410,490 km (0.101 R)
• M35: 13,244,797 km (0.032 R)
• M36: 15,479,191 km (0.089 R)
• M37: 16,281,335 km (0.072 R)
• M38: 16,519,794 km (0.114 R)
• M39: 17,388,060 km (0.085 R)
• M40: 17,975,082 km (0.106 R)
• M41: 18,817,916 km (0.103 R)
• M42: 18,917,848 km (0.091 R)
• M43: 19,218,988 km (0.094 R)
• M44: 19,521,625 km (0.104 R)
• M45: 20,336,484 km (0.075 R)
• M46: 22,580,901 km (0.1 R)
• M47: 23,328,442 km (0.101 R)
• M48: 24,738,252 km (0.09 R)
• M49: 25,067,517 km (0.029 R)
• M50: 25,177,621 km (0.115 R)
• M51: 25,398,278 km (0.068 R)
• M52: 25,508,831 km (0.071 R)
• M53: 26,567,235 km (0.118 R)
• M54: 26,735,683 km (0.098 R)
• M55: 27,867,540 km (0.074 R)
• M56: 28,496,749 km (0.08 R)
• M57: 29,710,885 km (0.077 R)
• M58: 29,827,422 km (0.115 R)
• M59: 30,529,784 km (0.103 R)
• M60: 30,706,160 km (0.028 R)
• M61: 30,824,043 km (0.109 R)
• M62: 32,549,056 km (0.114 R)
• M63: 32,729,321 km (0.09 R)
• M64: 33,332,500 km (0.047 R)
• M65: 33,514,261 km (0.104 R)
• M66: 35,782,015 km (0.078 R)
• M67: 36,216,597 km (0.071 R)
• M68: 37,091,146 km (0.087 R)
• M69: 37,216,509 km (0.048 R)
• M70: 37,467,983 km (0.063 R)
• M71: 37,656,926 km (0.066 R)
• M72: 38,035,707 km (0.12 R)
• M73: 38,733,432 km (0.1 R)
• M74: 39,115,804 km (0.057 R)
• M75: 40,141,597 km (0.096 R)
• M76: 40,463,980 km (0.093 R)
• M77: 40,593,233 km (0.063 R)
• M78: 40,981,589 km (0.037 R)
• M79: 41,306,216 km (0.066 R)
• M80: 41,501,441 km (0.052 R)
• M81: 42,547,579 km (0.061 R)
• M82: 42,876,246 km (0.091 R)
• M83: 43,470,000 km (0.106 R)
• M84: 43,867,332 km (0.059 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 13,416 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit